# 50 - Introduction to NHibernate: What does NHibernate bring to the table

In this episode, you will learn about the reasons why you might use an Object/Relational Mapper (ORM). You will also hear why NHibernate is a particularly good ORM, when it is appropriate to use NHibernate and when it is NOT appropriate to use NHibernate. Finally, you will hear why you might choose NHibernate over the ADO.NET Entity Framework and Linq2Sql and when and might not choose it.